Slide a new roof jack sized to fit your vent pipe.
How to replace a roof vent cap.
Check out the updated video here.
This is an area of the roof which requires extra care and skill.
Video turorial on how to change out a plumbing vent boot.
Since making this video we replaced these caps with 360 siphon rv roof vents which are awesome.
Works for any size pipe.
Remove any roofing nails and slide out the shingles.
Pry up the old jack and remove it by pulling it up over the vent pipe.
Back about 1 inch you ll see a roofing nail.
To replace a damaged roof vent jack on your home.
If you need to replace some of the caps here s how to do it.
You need to gently pry up the overlapping cap shingle next to the cap you want to replace.
Hammer a roofing nail on each side of the shingle five inches from the bottom edges and one inch from the side edge.
There are a number of key steps you need to take to avoid mucking this part up.
Carefully pry up the shingles around the roof jack using a flat pry bar.
Grip the cap with both hands and attempt.
Loosen and remove the small sheet metal screws that secure the base of the cap to the riser using the appropriate.
Position an extension ladder at the edge of the roof in line with the rain cap that will be replaced.